WOW Scanner : Free all in one proximity application [ BAR-CODE, QR-CODE, NFC, BLE-BEACON & ULTRA-SONIC]. One app will perform all types of scanning and writing. This app is specially designed to avoid using multiple apps for scanning and writing the QR/BAR/NFC/BEACON/ULTRA-SONIC. REQUIREMENTS: -------------------------- In order to use QR/BAR-CODE Scan feature, your device must have a built-in camera. In order to use NFC feature, your device must have a NFC support. In order to use BEA